Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

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12 questions

  1. 1Explain how simultaneous localization and mapping works.Hard· 20 min· Palantir
  2. 2Given click counts by domain, aggregate counts for every parent subdomain.MediumCoding· 10 min· Palantir
  3. 3Tell me about a challenging project you completed inside or outside work.EasyBehavioral· 5 min· Palantir
  4. 4Tell me about the hardest technical challenge you solved.EasyBehavioral· 5 min· Palantir
  5. 5Use documentation for an unfamiliar SQL-like language to solve a sequence of tasks.Hard· 20 min· Palantir
  6. 6What problem in the world do you most want to solve?MediumBehavioral· 10 min· Palantir
  7. 7Why do you want to work at Palantir?Easy· 5 min· Palantir
  8. 8What does your day-to-day look like at your current company?MediumBehavioral· Palantir
  9. 9Tell me about a time you failed.MediumBehavioral· Apple, Capital One
  10. 10Tell me about a time when you dealt with a difficult person at work.EasyBehavioral· Amazon, Anthropic
  11. 11Given a binary array where an operation cycles a row's elements to the left or right, return the minimum number of operations needed to create a column of 1s. If not possible, return 0.MediumCoding· Palantir
  12. 12Why did you choose to attend [College]?EasyBehavioral· Palantir